﻿/*******************************************************************************
 #	 	luvcview: Sdl video Usb Video Class grabber          .         #
 #This package work with the Logitech UVC based webcams with the mjpeg feature. #
 #All the decoding is in user space with the embedded jpeg decoder              #
 #.                                                                             #
 # 		Copyright (C) 2005 2006Laurent Pinchart &&  Michel Xhaard      #
 #                                                                              #
 # This program is free software; you can redistribute it and/or modify         #
 # it under the terms of the GNU General Public License as published by         #
 # the Free Software Foundation; either version 2 of the License, or            #
 # (at your option) any later version.                                          #
 #                                                                              #
 # This program is distributed in the hope that it will be useful,              #
 # but WITHOUT ANY WARRANTY; without even the implied warranty of               #
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                #
 # GNU General Public License for more details.                                 #
 #                                                                              #
 # You should have received a copy of the GNU General Public License            #
 # along with this program; if not, write to the Free Software                  #
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA    #
 #                                                                              #
 *******************************************************************************/

#ifndef _UTILS_H
#define _UTILS_H

#ifdef __cplusplus
extern "C"
{
#endif

#define ERR_NO_SOI 1
#define ERR_NOT_8BIT 2
#define ERR_HEIGHT_MISMATCH 3
#define ERR_WIDTH_MISMATCH 4
#define ERR_BAD_WIDTH_OR_HEIGHT 5
#define ERR_TOO_MANY_COMPPS 6
#define ERR_ILLEGAL_HV 7
#define ERR_QUANT_TABLE_SELECTOR 8
#define ERR_NOT_YCBCR_221111 9
#define ERR_UNKNOWN_CID_IN_SCAN 10
#define ERR_NOT_SEQUENTIAL_DCT 11
#define ERR_WRONG_MARKER 12
#define ERR_NO_EOI 13
#define ERR_BAD_TABLES 14
#define ERR_DEPTH_MISMATCH 15

extern int jpeg_decode(unsigned char **pic, unsigned char *buf, int *width,
		int *height);

static int get_picture(unsigned char *buf, int size);

static int get_pictureYV2(unsigned char *buf, int width, int height);

#ifdef __cplusplus
}
#endif

#endif
